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akater

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14 Coordinate-free techniques in Lagrangian mechanics May 31 '11
6 Coordinate-free differentiation techniques in Riemannian geometry May 7 '11
5 The definition of vertical bundle (coordinate-free reasoning) Apr 14 '12
2 Modules over algebras Jul 28 '11
2 Explicit form of one isomorphism Apr 9 '11
1 Algebras vs. rings in algebraic differential calculus Jul 28 '11
0 Step in proof Sum of Euler Phi Function of Divisors (part 2) Jul 5 '17
0 Show that number of elements $\overline a\in\mathbb Z/n\mathbb Z$ with order $\overline a=d\mid n$ equals $\phi(d)$ Jul 6 '17
0 The Hairy Ball theorem and (non-orientable) real projective plane Jun 8 '11

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